Port Washington, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Port Washington, WI in one place.
Sunny, with a high near 75. West wind 5 to 15 mph.
Local Weather Overview
This forecast page for Port Washington, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 12, 2026 3:36 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Port Washington, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 3:36 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Washington
Tuesday looks like the warmest upcoming period in Port Washington at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Friday at about 20 to 30 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 3:36 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 55. North wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Mostly cloudy, with a high near 64. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 51. Northeast wind around 10 mph.
Rain showers likely after 7am. Mostly cloudy, with a high near 62. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Partly sunny, with a high near 55.
Partly cloudy, with a low around 37.
Sunny, with a high near 54.
Mostly clear, with a low around 41.
Sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
75°F |
5 to 15 mph
W
|
|
Tuesday Night
Oct 13
|
Slight Chance Rain Showers
|
55°F |
0 to 5 mph
N
|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers then Mostly Cloudy
|
64°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
51°F |
10 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
62°F |
10 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
47°F |
5 to 20 mph
N
|
|
Friday
Oct 16
|
Partly Sunny
|
55°F |
20 to 30 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
37°F |
5 to 25 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
54°F |
5 to 10 mph
W
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
41°F |
10 to 15 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
60°F |
15 to 30 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Washington.